"""
Created on 4 déc. 2012

@author: alzo
"""
import os
import tempfile

from django.views.generic import ListView, TemplateView, DetailView
from django.db.models import F, Sum
from django.http import HttpResponse

from cms.pdf import PeriodSemesterPdf, ModuleDescriptionPdf, FormationPlanPdf
from cms.models import (Domaine, Processus, Module, Competence, Document, UploadDoc,)


class HomeView(TemplateView):
    template_name = 'cms/index.html'
    
    def get_context_data(self, **kwargs):
        context = super(HomeView, self).get_context_data(**kwargs)
        for d in Domaine.objects.all().order_by('code'):
            context[d.code] = d
        for c in Processus.objects.all().order_by('code'):
            context[c.code] = c
        for m in Module.objects.all().order_by('code'):
            context[m.code] = m
        return context

    
class DomaineDetailView(DetailView): 
    template_name = 'cms/domaine_detail.html'
    model = Domaine 
    

class DomaineListView(ListView): 
    template_name = 'cms/domaine_list.html'
    model = Domaine 
    
    
class ProcessusDetailView(DetailView): 
    template_name = 'cms/processus_detail.html'
    model = Processus
    

class ProcessusListView(ListView): 
    template_name = 'cms/processus_list.html'
    model = Processus 
    
    
class ModuleDetailView(DetailView): 
    template_name = 'cms/module_detail.html'
    model = Module


class ModuleListView(ListView):
    template_name = 'cms/module_list.html'
    model = Module


class EvaluationView(ListView):
    template_name = 'cms/evaluation.html'
    model = Processus


class DocumentDetailView(DetailView):
    template_name = 'cms/document_detail.html'
    model = Document


class UploadDocListView(ListView):
    template_name = 'cms/uploaddoc_list.html'
    model = UploadDoc

    def get_queryset(self, **kwargs):
        query = UploadDoc.objects.filter(published=True)
        return query


class UploadDocDetailView(DetailView):
    """
    Display first recorded documents and next uploaded documents
    """
    template_name = 'cms/uploaddoc_detail.html'
    model = UploadDoc


def print_module_pdf(request, pk):
    filename = 'module.pdf'
    path = os.path.join(tempfile.gettempdir(), filename)
    pdf = ModuleDescriptionPdf(path)
    module = Module.objects.get(pk=pk)
    pdf.produce(module)
    with open(path, mode='rb') as fh:
        response = HttpResponse(fh.read(), content_type='application/pdf')
        response['Content-Disposition'] = 'attachment; filename="EDS_module_{0}.pdf"'.format(module.code)
    return response


def print_plan_formation(request):
    filename = 'plan_formation.pdf'
    path = os.path.join(tempfile.gettempdir(), filename)
    pdf = FormationPlanPdf(path)
    domain = Domaine.objects.all().order_by('code')
    process = Processus.objects.all().order_by('code')
    pdf.produce(domain, process)

    with open(path, mode='rb') as fh:
        response = HttpResponse(fh.read(), content_type='application/pdf')
        response['Content-Disposition'] = 'attachment; filename="EDS_plan_formation.pdf"'
    return response


def print_periode_formation(request):
    filename = 'periode_formation.pdf'
    path = os.path.join(tempfile.gettempdir(), filename)
    context = {}
    context = get_context(context)
    pdf = PeriodSemesterPdf(path)
    pdf.produce(context)

    with open(path, mode='rb') as fh:
        response = HttpResponse(fh.read(), content_type='application/pdf')
        response['Content-Disposition'] = 'attachment; filename="{0}"'.format(filename)
    return response


def get_context(context):
    """
    Retrive periods
    """
    # liste = Module.objects.exclude(total_presentiel=0)
    liste = Module.objects.filter(pratique_prof=0)
    context['sem1'] = liste.exclude(sem1=0)
    context['tot1'] = liste.aggregate(Sum(F('sem1')))['sem1__sum']
    context['sem2'] = liste.exclude(sem2=0)
    context['tot2'] = liste.aggregate(Sum(F('sem2')))['sem2__sum']
    context['sem3'] = liste.exclude(sem3=0)
    context['tot3'] = liste.aggregate(Sum(F('sem3')))['sem3__sum']
    context['sem4'] = liste.exclude(sem4=0)
    context['tot4'] = liste.aggregate(Sum(F('sem4')))['sem4__sum']
    context['sem5'] = liste.exclude(sem5=0)
    context['tot5'] = liste.aggregate(Sum(F('sem5')))['sem5__sum']
    context['sem6'] = liste.exclude(sem6=0)
    context['tot6'] = liste.aggregate(Sum(F('sem6')))['sem6__sum']

    context['tot'] = (
        context['tot1'] + context['tot2'] + context['tot3'] + context['tot4']
        + context['tot5'] + context['tot6']
    )
    return context
    
    
class PeriodeView(TemplateView):
    template_name = 'cms/periodes.html'

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        return get_context(context)


class CompetenceListView(ListView):
    model = Competence
    template_name = 'cms/competence_list.html'


class TravailPersoListView(ListView):
    model = Module
    template_name = 'cms/travail_perso.html'
    
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context = get_context(context)
        context['total_perso'] = Module.objects.aggregate((Sum('travail_perso')))['travail_perso__sum']
        context['total_presentiel'] = context['tot']
        context['total_pratique'] = Module.objects.aggregate((Sum('pratique_prof')))['pratique_prof__sum']
        return get_context(context)